206878568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1989217}}^1$

素因数の和:1989236

約数の個数: 16

約数和(自身を含む): 417735780

約数和(自身を除く): 210857212

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1989217, 3978434, 7956868, 15913736, 25859821, 51719642, 103439284, 206878568]

約数ペア:

[(1, 206878568), (2, 103439284), (4, 51719642), (8, 25859821), (13, 15913736), (26, 7956868), (52, 3978434), (104, 1989217)]